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Modules

OverviewThe relative motion between a magnet and coil induces an electric current within the coil. This is known as Faraday’s law of electromagnetism. The direction...

Higher Education

Transformer

OverviewA transformer is a device that increases or decreases the voltage of an alternating current. The transfer which increases the voltage is called a step-up...

Higher Education

HIV

OverviewHIV is the human immunodeficiency virus. It is a retrovirus containing single-stranded RNA as genetic material, enclosed within a viral core. It also contains...

Higher Education

Influenza Virus

OverviewThe body of an influenza virus is composed of a lipid bilayer membrane that is studded with glycoprotein spikes. It contains ssRNA in its core which is surrounded...

Higher Education

The Doppler Effect

OverviewThe Doppler effect explains the reason of the difference between the observed frequency of the sound with its actual frequency based on the motion of the...

Higher Education

Regression and Correlation

OverviewRegression analysis involves identifying the relationship between a dependent variable and one or more independent variables. A model of this relationship...

Overview We are already familiar with the method of solving system of equations in two variables. But what if we have system of equations with three variables. In...

Higher Education

Waiting Time Distribution

OverviewTo explain the concept of waiting time distribution, we use lambda where Lambda is the number of events per unit time. A graph of exponential distribution,...

Higher Education

Normal Distribution

OverviewNormal (or Gaussian) distribution is a very common continuous probability distribution. Normal distributions are important in statistics and are often used...

OverviewThe respiratory system includes nose, pharynx, larynx, trachea, and lungs. It provides oxygen to body tissues for cellular respiration and removes waste...

Higher Education

Eye

Overview  A human eye is comprised of the sclera, choroid, retina, cornea, ciliary body, suspensory ligaments, iris, pupil, lens, vitreous humor and aqueous...

Higher Education

Poles of a Magnet

OverviewMagnet ends, where the force applied by the magnet is the strongest, are called the poles of the magnets. There are two magnetic poles - north pole and south...

OverviewAn electric motor is a device that converts electrical energy to mechanical energy. Electric motors are used in all types of industries, including agriculture...

Higher Education

Anatomy of Heart

OverviewThe human heart is one of the main organs of the human body, which controls blood circulation within the body. It has a very unique structure and each part...

Higher Education

Reflection of Light

OverviewReflection of light is the phenomenon in which a light ray bounces off the surface of the object it strikes. According to the law of reflection, the angle...

Higher Education

Working of Electric Motor

OverviewIn a simple electric motor, an electromagnet rotates between the poles of a permanent magnet. Electric motor converts electrical energy to mechanical energy.Learning...

Higher Education

Plasma Membrane

OverviewThe plasma membrane is a biological membrane that separates the interior of cells from outside environment. It contains lipids and proteins which form the...

Higher Education

Electromagnetic Spectrum

Overview Electromagnetic spectrum denotes the entire range of electromagnetic waves having different frequencies and wavelengths. It consists of radio waves, microwaves,...

Higher Education

Electromagnet

OverviewAn electromagnet is a temporary magnet created when there is a current flowing in a coiled wire. The strength of electromagnet depends upon the magnitude...

Higher Education

Skin

OverviewHuman skin is comprised of three layers called epidermis, dermis, and subcutaneous or hypodermis. The dermis layer contains nerve cells, muscle fibers, sweat...